Table 2

Guidelines for grading severity of adverse events

Grade
Severity
Description

1
Mild
Awareness of sign or symptom, but easily tolerated: Transient or mild discomfort; no limitation in activity; no medical intervention/therapy required
2
Moderate
Discomfort enough to cause interference with usual activity: some assistance may be needed; no or minimal medical intervention required
3
Severe
Incapacitating with inability to work or perform usual activity: some assistance usually required; hospitalization possible
4
Life-threatening
Extreme limitation in activity, significant assistance required; significant medical intervention/therapy required; hospitalization probable

Talisuna et al. Malaria Journal 2006 5:50   doi:10.1186/1475-2875-5-50

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